Question C

CHAPTER 3 - PROJECT MANAGEMENT C 3-4-5 10-11-12 8-9-12 H M 7-10-12 3-5-7 N Stan 1-23 F G 4-8-10 14-16-18 4-5-6 E 8-9-11 1-4- 6 8-9-10 K 12-14-18 9-11-13 a. What is the time estimate for each activity? b. Find the ES, EF, LS, LF, and S for each activity and determine the critical path. How long does it take to clean and disinfect a room? c. What is the probability of completing the room cleaning and disinfection process in 65 minutes and in 75 minutes? d. What is the probability that the process will take longer than 77 minutes? the following network and data, use the marginal